Gas cock



R. S. HILAIRE GAS COCK Filed May 13. 1922 provide an arrangement ina gas cockwhich will prevent the and the consequentescape of Vposition in' such a manner that it itsstruotural nature, to open position 'when desired.

lowing specification,V *of VVVpanying drawings forni a part,fand in 30 Y 'A .t

Paiemed Oct." i923. 'I

descr tion arttowhich it n VYThis Vinvention yrelates toinipreveinen'ts in ndespe-ially "tioasafety gas -.co cliff of the type :which is locked in its closedy `cannot be accidentally nioved'therefronfi, y The principal object ofthe invention is to providea gas coclrpof they character indi-v cated which will `be simpleV and praycrztcaly in V and readily operated further object of theinvention yisjto loosening of Vthe valve kplug gas vuponcondisclosed in the .folwhich the accomf tinued turning of the The invention is fully which: Y Figure 1 is a side elevation of thedevice; n Figure 2 is a centrali *vertical/section( therethrough; y* y Figure 3 isa detailgofFigure 2 showing theparts in Vclosed position;

f Figure ll is a View similar to Figure 3 showing the parts in open position; n

Figure 5 is a plan taken on F igure'l; kFigure 6 isa perspective View of the andle showing the innerend thereof;V

Figure? is a section on the line 7-7 of Figure 2; W L YFigure 8 is a section on the line 8-8 of Figure 3;

Figure ingpin; .n x Y .n Y Figure 10 is a similar view corresponding to Figurefi;v ,v l; Figure ll'is a fragmentary elevation, part- 1y broliren,V showing the safety Spring;'and,' Figure 12 isa perspective view of thefvalve. plug, showing the gas passage in particular.

eferring to the accompanying drawings by reference characters f throughout, the" 9 isa perspective view ofthe lock-k 5 numeral 1 indi'catesthezusual bodyhavingl fretionv in the'usiufali e inven-umallygs atsinanoteli vh'eret@by y which extends laterallyfdfronithelupperind .er enefigncaannnn y of the vbod plug reserves 1 cted nadie aimera-e1, rne'ans of the sere' offtliefglockingf api-n projects finto al Vcurved groove-10 'formedfinjthe inner end of the handle.'y ft will VVbe seen frornf Figure 10v the valvelfplugfis unlockedf`A circular formed in ythe inner close the valve when the key 5 notch 6', Vasy shown in Figure 2.

pini,` as the latterf reoiprocates. When the key is released. in n the ymanner described, Vthe .valve plug mayl beA turnedjby means of the' handle" whereby Communicae0A 4 -the curved ypassagel 18 formed tion is established between theports y16 l*and 17 through ieper 9- that the lower surfacell of 'this groove is lin, the nature of'acani and that rotation 'of the handle 7 will Vtherefore,result inf thelifting Vofthe key L5 out of thefnotch,6,' whereby. f5

in the surface of the valve plug and extend#v inga suflicient distance around thesaineto fallow; a: freepassage fof gas kkbetween the" ports f l f-The interinediateportionof the plug isk `reduced as at V18, forming a shoulder19.. A

spring 20 [surrounds this;shouldenrwhile a nut 21is threaded upon the upper fend of the body, thusdrawingthe latter into close` f engagement* with-the plug Vfor preventing In .order'that the nut 21 maynot,worklooseasr the valve plugis l in they Vthreadedend V of thebodyand theendof-'the springris m5 bent andfforrced"thereinasat 23. This are the escape vof gas.

rangementp'reventsthe springitrolnl turni ing,A although the -pressure Ythereof is'not thereby affected. `The body is'also slotted bene ath the threaded end, aslatQl, Lfor the up cof - reception of Ya pin v25y formed on the valve While a n ".it isgjto bef understood that Vvarious.alterations-in the details of`construction` may be Y l made Withoutdeparting from the spirit of the invention' as indicated: by the appended claims.

LA" gas cock eomprlslnge' aV mounted inl the plug a locking pin adapted for reeiprocation Within the plug and having its lower endfi'ior inally- `seated in the` notch, Vand means `for liftingsaid pin from l the notch upon the; ro-

i n tationiefgthe handle. 'JA s Q V' gas` cook comprlsingva-bo'dy having Y Speeiie embodiment VOt the inV vention has been illnstratedpand deserihed,`

ljlavingithug; fnllyf deseribed theinvena notch Qformedv, in the bottom thereof, a

valveplug rotatablymountedin said body,

a-handle rotatably mounted in the plug,` and having an inclined groove in its inner end, a key adapted itormreciproeation within the plug and 'having fitsllovver end normally yseated"nthenotch, and a pin projecting f laterally v,the gr0ove. n

from the upper end'offthe key 3.- A gas cock" comprising a body having Y'a notchl formed inthe bottoI-nv thereof, a valve plug rotatably mounted in said body,A 'ha handle rotatablymounted. inthe plug, a

looking pin adapted for reoipro'cation'vvith in Y'the plug'and having its lower end -normally'seatedinthe notch, means .for lifting saidpin fromcthe notch upon the rotation ofthe handle and vplugffor normally holdingjthe lattervin-elosedvposition f A 2 A In witness yWhereot have hereuntoSet my'hlld i ivi ytOl)OL`l.-)llE`'S' HILATRE.-

40 handleyand a vSprinzg engaging therv A 

